Definitions from Wiktionary (MARS)

▸ noun:  (astronomy) The fourth planet in the solar system. Symbol: ♂
▸ noun:  (Roman mythology) The Roman god of war.
▸ noun:  (poetic) War; a personification of war.
▸ noun:  (heraldry, rare) Gules (red), in the postmedieval practice of blazoning the tinctures of certain sovereigns' (especially British monarchs') coats as planets.
▸ noun:  (obsolete, alchemy, chemistry) Iron.
▸ noun:  A village in Semenivka urban hromada, Novhorod-Siverskyi Raion, Chernihiv Oblast, Ukraine
▸ noun:  Short for Mars bar, a brand of chocolate bar with caramel and nougat filling.
▸ noun:  Alternative form of Mas [(now historical, chiefly in representations of US and Caribbean dialect) Master, used as a title of respect.]
▸ noun:  Initialism of Military Auxiliary Radio System.
▸ noun:  Acronym of Mid-Atlantic Regional Spaceport.
▸ noun:  Abbreviation of multicast address resolution server.

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